sync XF Flash with Canon RT System

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sync XF Flash with Canon RT System

Postby mjehnichen » Tue Jan 24, 2017 9:29 am

coming from the Canon world I loved to use their radio controlled Flash system with my XF. Mainly because its much smaller and cheaper than the profoto B1/B2. And actually it works pretty simple - just slide in a Yongnuo Flash Controller YN-E3-RT (the Original Canon Speedlite Transmitter ST-E3-RT does not work) to the Hot-shoe of the Prism Finder - everything works greatly.
But there is the nice feature to sync flashes straight out of the camera with the built in Profoto AirSync modul. I loved to use this - having no extra device to attache to the camera. But how to link with the Canon system? I bought a Profoto Air sync Transmitter/receiver and connected it with the PC-Plug on a Canon 680EX-Rt - and it works even better : up to 1/1600 of a second exposure time (of course only on leaf shutter lenses).
Step 3 and coming closer to my actual question - I connected the AirSync Device to my Yongnuo YN-E3-RT Transmitter and now i am able to sync all of my Canon Flashes directly from the camera. And I can control the flashes with the ST-E3 which I keep in my pocket. Unfortunately this chain of signal transmitting has quite some latency - meaning the flash fires to late. On the camera I switched to rear curtain Sync and trimmed backwards to the maximum of -15 - This helped and now i can shoot up to 1/400s. But if i could trim even further i could reach the 1/1600s.
Question: Is there a way to trim the rear curtain sync even more backwards in order to compensate the delay of my sync chain?
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Joined: Fri Aug 31, 2012 10:54 am

Re: sync XF Flash with Canon RT System

Postby NNN635114704990778609 » Thu Jan 26, 2017 1:54 pm

Have you tried with the other flashes in slave mode. Obviously not that efficient as it'll probably need a line of sight for the system to trigger. Or maybe you could try the Pocketwizard Plus III in fast mode?
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Joined: Wed Aug 07, 2013 12:08 pm

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